U0300 - Internal Control Module Software Incompatibility
U0300 - INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY
| Description: | This DTC indicates that there are incompatible software levels within the powertrain control module (PCM) that control the electronic throttle control (ETC) system. The ETC system uses 3 different microprocessors within the PCM, each having its own software level and function. The 3 microprocessors must have the correct level of software in order to communicate and function together. | |||
| Possible Causes: | ||||
| Diagnostic Aids: | Verify the PCM is at the latest calibration level. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | - | - | refer to PINPOINT TEST QE . | |